The villain song from the Broadway musical Rudolf, aka Rudolf: Affaire Mayerling. The song features Eduard Taaffe, prime minister of Austra, appearing in Rudolf's nightmare to gloat about how he controls everyone in Austria.
The villains in fictional universes have some things that almost trump the good guys. Excellent actors, catchy songs, and even some awesome tech and weaponry. Cast any villain fitting the categories below, and what they have.